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Pronunciation: sub'yu-nit


  1. A unit that forms a distinct part of a larger structure.
  2. The single protein or polypeptide chain that can be separated from an oligomer protein without cleaving covalent bonds other than disulfide bridges between cysteinyl residues.
  3. A single biopolymer separated from a larger multimeric structure.

See Also: monomer

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.